清理前将数据传入django表单 [英] Modify data incoming to django form before cleaning
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问题描述
在清理之前,我需要修改数据到表单
。我使它工作,但它看起来很可怕:
I need do modify data incoming to Form
before cleaning. I made it work, but It looks awful:
def __init__(self, *args, **kwargs):
if len(args) > 0:
data = args[0]
elif 'data' in kwargs:
data = kwargs['data']
else:
data = None
if data is not None:
data['content'] = ' '.join(data['content'].strip().split())
super(TagForm, self).__init__(*args, **kwargs)
有没有一些简洁的解决方案?
Is there some laconic solution?
推荐答案
如果 / elif $ c $可以压缩
c> /
else
容易地到一行:
You can compress the if
/ elif
/ else
onto one line easily enough:
def __init__(self, *args, **kwargs):
data = args[0] if args else kwargs.get('data', None)
if data:
data['content'] = ' '.join(data['content'].strip().split())
super(TagForm, self).__init__(*args, **kwargs)
如果args
工作以及如果len(args) > 0
因为 length == 0
项目是 False
和 length > 0
项目是 True
。
if args
works as well as if len(args) > 0
because length == 0
items are False
and length > 0
items are True
.
code>如果数据不是无
,则,因为您假定
数据
至少有一个关键,如果它是不是无
无论如何,如果它有一个键,它的 True
。
if data
works as well as if data is not None
because you're assuming that data
has at least one key if it's not None
anyway, and if it has a key it's True
.
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